import { NgZone } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * @deprecated use ViewportRuler instead
 * import { ViewportRuler } from '@angular/cdk/scrolling';
 */
export declare class WinResize {
    private document;
    resize$: Observable<number>;
    constructor(document: any, ngZone: NgZone);
    static ɵfac: i0.ɵɵFactoryDeclaration<WinResize, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WinResize>;
}